<template>
  <div class="chooseIcons">
    <el-popover placement="bottom" width="450" trigger="click"><span slot="reference" style=" display: inline-block; width: 200px; height: 33px; line-height: 33px; ">
      <i :class="userChooseIcon"></i> {{ userChooseIcon }} </span>
      <div class="iconList">
        <i v-for
             ="item in iconList" :key="item" :class="item" @click="setIcon(item)" style="font-size: 20px">
        </i>
      </div>
    </el-popover>
  </div>
</template>

<script>

    import { elementIcons } from "@/utils/icons";
    export default {
        name: "myIcon.vue",
        data(){
            return{
                //图标列表
                iconList: [],
                //用户选中的图标
                userChooseIcon: "",
            }
        },
        created(){
            this.getIconList();
        },
        methods: {
            getIconList() {
                this.iconList = elementIcons;
            },
            setIcon(icon) {
                //将i的样式设为选中的样式el-icon-xxx
                this.userChooseIcon = icon;
                //将选中的图标传递给父组件
                this.$emit("selecticon",icon);
            },
        }
    }
</script>

<style lang="scss" scoped>
  .iconList {
    width: 400px;
    height: 300px;
    overflow-y: scroll;
    overflow-x: hidden;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;

    i {
      display: inline-block;
      width: 60px;
      height: 45px;
      color: #000000;
      font-size: 20px;
      border: 1px solid #e6e6e6;
      border-radius: 4px;
      cursor: pointer;
      text-align: center;
      line-height: 45px;
      margin: 5px;

      &:hover {
        color: orange;
        border-color: orange;
      }
    }
  }

  .chooseIcons {
    width: 175px;
    background-color: #FFFFFF;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #DCDFE6;
    box-sizing: border-box;
    color: #606266;
    display: inline-block;
    font-size: inherit;
    height: 33px;
    line-height: 25px;
    outline: none;
    padding: 0 15px;
    transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
  }

</style>
